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/*------------------------------------------------------------------
* test_freopen_s
* File 'io/freopen_s.c'
* Lines executed:100.00% of 18
*
*------------------------------------------------------------------
*/
#include "test_private.h"
#include "safe_lib.h"
#include <unistd.h>
#define TMP "tmpfreopen"
#ifdef HAVE_FREOPEN_S
#define HAVE_NATIVE 1
#else
#define HAVE_NATIVE 0
#endif
#include "test_msvcrt.h"
int test_freopen_s(void);
int test_freopen_s(void) {
errno_t rc;
int errs = 0;
FILE *tmp, *newf;
FILE *file = stdin;
/*--------------------------------------------------*/
print_msvcrt(use_msvcrt);
rc = freopen_s(NULL, TMP, "r", file);
init_msvcrt(rc == ESNULLP, &use_msvcrt);
ERR_MSVC(ESNULLP, EINVAL);
rc = freopen_s(&tmp, TMP, NULL, file);
ERR_MSVC(ESNULLP, EINVAL);
rc = freopen_s(&tmp, TMP, "r", NULL);
ERR_MSVC(ESNULLP, EINVAL);
/*--------------------------------------------------*/
rc = freopen_s(&tmp, TMP, "r", file);
ERR(ENOENT)
if (errno)
ERRNO(ENOENT);
/*--------------------------------------------------*/
/* TODO: fails with asan and valgrind on some glibc systems (not repro)
in strlen or __open_nocancel. glibc bug. */
#ifndef __GLIBC__
#ifndef HAVE_ASAN
file = stdin;
rc = freopen_s(&tmp, NULL, "rb", file);
if (rc == 0) {
ERR(0); /* EINVAL or EFAULT */
if (errno)
ERRNO(EINVAL);
}
#endif
#endif
/*--------------------------------------------------*/
tmp = fopen(TMP, "w");
if (tmp == NULL) {
puts("fopen failed: %m");
return errs + 1;
}
fputs("Hello 1\n", tmp);
rc = freopen_s(&newf, TMP, "a+", tmp);
ERR(0);
fputs("Hello 2\n", newf);
fclose(newf);
/*--------------------------------------------------*/
unlink(TMP);
return (errs);
}
int main(void) { return (test_freopen_s()); }
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